Extensions are not equivalent to native customization, and both have pros and cons. On one hand, extensions provide a variety of features that can be added specific to people’s likings, but on the other hand, there are chances of incompatibility (in gnome shells for example) and delayed maintenance from developers (which results in having to wait for them to finish the work when dependency updates)
While I do see most of the listed stuff happened to me before, they only appear once in a while and it’s often just one sentence in the list is true. I think OP is trying to make an exaggerating slander where it’s extremely unlucky to have more than 5 sentences is right