Nowadays very much most services can fit on single server and serve millions of users a day. I wonder how it will affect overly expensive cloud services where y

Nowadays very much most services can fit on single server and serve millions of users a day. I wonder how it will affect overly expensive cloud services where you can rent a beefy dedicated server for under a grand and make tens of thousands in savings (enough to hire full time administrator with plenty of money left for other things).