Some users might not realise how amazing it is to get a fix for an upstream issue so quickly. Instead of making Manjaro seem unprofessional it should reinforce the exact opposite view (e.g. Phil spending all day Sunday to fix an issue the same day it comes to light?).
We're also lucky to benefit from the excellent work Arch do - as a distro they are again incredibly responsive.
Not to pick on other OS, but, you may recall reported issues that some users had with a number of Window 10 updates bricking their PCs. The resolution took weeks (and I think some are still ongoing). That's Microsoft - a huge multinational corporation which has direct collaboration with hardware manufacturers.
Other users won't realise that there are have been vulnerable packages available to Ubuntu LTS users for _years_ - for example the Wordpress package in universe. Yeah, they don't guarantee security fixes to universe, but again, that's a large multinational company that should benefit from upstream work.
I'll come back to the points I made earlier: if you are reliant on a feature you need to have a recovery strategy in case is breaks (e.g. noone relies on only Firefox, they will have an alternate available), and if you are running multiple PCs you need to help test.
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