> every one of those features was cloned as free software and running on sub-$100k hardware by 1994

?

Zones weren’t released until nearly 10 years after 1994. Same for dtrace and zfs. Solaris was embryonic in 1994. Linux existed but wouldn’t take over servers until c2000-1 (as evidenced by Sun’s massive profits through the end of 1999).

What features are you referring to?