IMO it depends who stands to gain from it. If you make a new compiler, you need to make sure x86 and ARM work because that’s what most of your users will be usi

IMO it depends who stands to gain from it. If you make a new compiler, you need to make sure x86 and ARM work because that’s what most of your users will be using. There is almost no gain in adding support to some ancient cpu that no one uses anymore. On the other side, if you make a new cpu architecture, all of your users (people buying the chip) will gain from porting compilers. No one is expected to do anything (unless they are being paid). It’s just logical for people to work this way.