The real problem at Twitter had nothing to do with "spam" or "bots". The problem with Twitter is that the content moderation is entirely one-sided and that people on the "Right" have been gradually driven away from the platform, leaving it an echo chamber for the Left.
If Musk backs down now, Twitter will go right back to where it was. The tears were delicious but apparently short-lived, unless this is some sort of 16D bargaining tactic by Musk. More likely he just sobered up and decided to do something else with his $44 billion.