> Yeah but you’re assuming the programmers who worked on this don’t make dumb mistakes like the rest of us.
Yeah but this isn't just a "dumb mistake".
It's been widely discussed in the web design world how terrible of an idea it is to use the user agent for basically anything at all for literally decades now. There are web designers working now who were not born when this problem was first discussed. It's not a "oops I didn't know about this recent change" thing, it's a "doing this has been known to be a bad idea for so long there are obsolete books that talk about it".
The reason browser user agents are the disaster area they are today is entirely because bad web programmers have been abusing the user agent in ways they shouldn't be for so long.
Microsoft is far from the only company that sniffs, they all sniff. If you give people information they’re bound to use it. This is all commonplace in web dev.
Yeah but this isn't just a "dumb mistake".
It's been widely discussed in the web design world how terrible of an idea it is to use the user agent for basically anything at all for literally decades now. There are web designers working now who were not born when this problem was first discussed. It's not a "oops I didn't know about this recent change" thing, it's a "doing this has been known to be a bad idea for so long there are obsolete books that talk about it".
The reason browser user agents are the disaster area they are today is entirely because bad web programmers have been abusing the user agent in ways they shouldn't be for so long.