And almost all of them need a database, a load balancer, maybe some sort of cache. AWS has got you covered.
Maybe some of them need some async periodic reporting tasks. Or to store massive files or datasets and do analysis on them. Or transcode video. Or transform images. Or run another type of database for a third party piece of software. Or run a queue for something. Or capture logs or metrics.
And on and on and and on. AWS has got you covered.
This is Excel all over again. "Excel is too complex and has too many features, nobody needs more than 20% of Excel. It's just that everyone needs a different 20%".