I really hate whenever I try to explain how some bad rules can be abused and immediatelly get someone say shit like "If this happens in your group, change it" as if that would solve the problem. And whenever it is not soemthing you witnessed personally, then it means it never happens and could never happen.
Every edition of every ttrpg has had rules that can be exploited and abused, and the solution has always been for groups to alter rules as necessary. It's impossible to make an airtight ruleset. You are just a 5e hater.
The nirvana fallacy is to substitute a good solution (fix a broken rule or exploit) with a perfect solution that is obviously impossible (create an airtight ruleset), then use that to justify doing nothing.