Coinbase support (or lack thereof) is very much AOL-esque. As is their infuriating slowness at times. Adoption - not so much. They insist on using less favorable exchange rates AND charging much higher fees on Coinbase than on GDAX. Makes no sense. As if they're deliberately trying to piss users off.
It's a common business practice to raise prices (fees in this case) when you can't service all the demand. So it is somewhat fair what they are doing, presumably until they scale enough to (adequately) attend a bigger user base. AOL was also more expensive than what earlier Internet users had (ie: free for one reasons or another).
So yes... maybe coinbase is our AOL. Let's just hope they do things right and other competitors also rise.