Here's how to choose an OS that fill your needs.
1) Try on a VM first
Try on a VM. You can test everything on this list inside a virtual machine. Virtualbox is free, but it's your choice.
2) Device drivers
The first thing you need to analyze and pay attention is how the system is supported by hardware and how you can fix it if possible. If you don't have enough knowledge to manually install a required driver, you should rely on the in-house driver installer (like ubuntu, linux mint, manjaro, etc). Even so, pay attention if the drivers was installed correctly and there's no issues, specially during an update.
2) Community Support
If you want to rely on community support (I don't suggest since some communities causes more trouble than help) you have to pay attention closely and don't use it as an unique source. Search on the internet and compare the results, usually the distribution have his own documentation about it and most of time you'll see that some irc/matrix/whatever support USUALLY doesn't rely on their own wiki and in his own standards, specially elitist communities. Let me get and example:
1) You've tested yourself a couple of filesystems and decided to choose, let's say, F2FS or JFS.
2) You had a problem with systemd and ask for help, and paste your dmesg
3) If they say that the problem is F2F2 or JFS without dmesg having something explicit about this, you're dealing with stupid people.
3) Custom configurations
This one is really easy. If the distribution have drivers loaded at boot for an specific filesystem (well supported by the kernel developers) and you can't use it as root (as stated by kernel developers), you're dealing with naive packagers and problems will occur in other places often. For example, some linux distributions doesn't support LVM properly, like.. they will boot correctly if you have /boot and / outside of LVM (?????). This is the result of naive packagers, stay away from that.
4) Elitist community
Over-complicating things to state how they're right based on own defaults without proof; stating age of a processor even if the system have a nice performance compared to a more recent processor (saying that a Intel I7 Haswell is slow because it's old); using "because everyone use it X" as answer; "no one uses this kind of hardware anymore" talking about something like 3 years old hardware. And the list goes on, this kind of crap should be redirected to a black hole.
5) OS implementation
Lack of multilib without any reason; Answering questions of poor implementation saying "because it's professional" instead of the real reason; Trying to hide problems with "because it's better in this way" it's a matter of naive developers.
It's a matter of choice, you can use it if you want but the developers doesn't care enough about security and many other issues.
Usually, any wiki should work with any distribution at some point, it'll depend on the implementation. So is good to choose something that is KISS as possible, so you'll have more documentation available if a problem arises. You don't need to use the specific wiki of the OS of your choice if the OS follows the standards of the application maded by the developer, so you can even rely in the application docs to fix something. Unless you're using a trollercoaster OS.
8) Learning curve
You don't need to understand what's happening in the background in a matter of days, but it's probably best for you if you learn how it works at your own pace. The less you rely on other people, the less is the chance of someone giving you a bad advise, and trust me, this will occurs more often than you expect.
9) FHS and POSIX
It seems no one cares about it, but FHS and POSIX standards are important. No, isn't a matter of "get used", it's a matter of having standards. I accept changes when it benefits, changes that came form stupid nature should be discarded ASAP (for example, linking /bin to /usr/bin). I suggest avoid OS maded by brainless people that take decisions without a sane reason.