If your security model relies on users being knowledgeable and careful, it is going to fail a lot of times.
Why do companies restrict Windows computers instead of educating users?
Companies with good IT Policies do both. They educate their users and restrict the most likely vector of attack. And they restrict their macOS and iOS devices too with MDM solutions like JAMF.
But companies, especially big companies, have a lot at risk that your average consumer that just wants to play Fortnite or stream their Xbox games doesn't have to worry about.