I'd break Search and YouTube into 2 pieces as well.
Break YouTube off and YouTube goes broke in a year.
They were sold to Google because they cost too much to run, and Google runs it as almost a loss-leader, as they never really made any money, and props it up through subsidies.
The irony is that if they'd just knock off the shadow banning, de-platforming, one-sided "hate speech" enforcements, search engine manipulations, and all the other horse**t, most of us would be happy.
Not long ago Twitter CEO Jack Dorsey posted about all the convoluted procedures Twitter was putting in place to filter and sort tweets. The overwhelming response was, "why not just simply ban the stuff that's illegal and leave the rest alone?"