Earlier quoted context omitted.
Microsoft's relative standing within the tech world also fell, though slightly later,, 2005-ish. PG's essay, as with most realisations, postdates reality, and specifically suggests by 2005. http://www.paulgraham.com/microsoft.html
Can you show that was the result of sacrificing the long term for the next quarter's profits? I'm not hypothesizing that corporations don't make strategic errors, of course they do. I'm saying they are not rewarded for sacrificing the long term to pump up quarterly results - and I've seen no evidence of Microsoft doing that.
I responded noting that an earlier period's darling had in fact declined.
I really don't have the time or patience to go into details here, though I can point to Microsoft's monopolistic and anticompetitive business practices, its quality problems with bugs, security, malware, and spyware, its "plays poorly with others" reputation (see PG's essay for a manifestation), and considerable brand erosion, to the point that Microsoft branding, particularly within the mobile space (WinCE, Windows Mobile, Zune), and search (Bing).
Much of which might be traced to pursuit of short-term returns over long-term risk.
Or in a word: yes.