In article , Mayayana
wrote:


Microsoft have always been very careful about
backward compatibility because businesses write
custom software and need it to keep working. If
they can't move their software to the next version
they might not buy the next version.

true, but the downside of that is it inhibits progress.

Linux, by contrast, is a hobby.

for desktop that's mostly true, however, for servers and embedded
devices, it's absolutely false.

And Apple deliberately
breaks things to force people to buy new.

false. apple goes well out of their way to keep old stuff working, and
if something is deprecated, developers get *ample* warning ahead of
time.

It's 3
different markets: business, geek, retail consumer.

no.