Because many tech jobs have become glorified vendor management. You don't actually support anything yourself, you have a vendor sales rep and a technical rep or maybe two.

When something breaks or needs an update, you call/email the rep, go back and forth a few times, schedule a date for patching, and then create your 10,000th email Chain/Teams group chat with all the various people internally and externally who "need visibility" into the process. Everybody says their piece, argues about coverage or pricing, asks the same basic questions 5 different ways, so on and so forth.

Now multiply this by all the unique software/hardware components of your infrastructure. Add to that the AI executive-led slop fest, angry sarcastic, tech-illiterate end users, corporate software enshitification, etc.