Yes, once a company is a certain size it has too much power to exploit and do a crappy job of customer service while they do it.

The problem with trying to break it up is that the FTC already allowed the mergers that let them get so big. They approved the purchases of Whatsapp and Instagram. Thankfully the new chair of the FTC seems to understand letting companies get this big is not good and is trying to block these things from happening in the future.