I didn't say backcompat isn't important. There are lots of other ways to run old binaries than at your main OS level. There are tons of other platforms that p

I didn't say backcompat isn't important. There are lots of other ways to run old binaries than at your main OS level. There are tons of other platforms that precede the current ones. I would not like the requirements from those platforms to hamper the current gen os. I do think it's valuable to be able to run the programs from those platforms.