Genuinely I don't know how they've managed to take a word processor that used to open in about a second or so on a Pentium 233 on windows 95, and make it into the bloated mess it is today, opening slower on hardware several magnitudes more powerful

Every project I've worked on in the past decade or so has cared about not regressing on NFRs around performance for the user. I do not understand how a tech company the size of Microsoft has let one of its flagship products get bungled so badly. It's not like the IE6 days where they were complacent—Google Docs & open source projects such as libreoffice are very much eating into their main customer base right now.