Highly doubt Airbnb will be around in the next 10-15 years. If Hotels can catch up and get with the program they could easily get people to stop renting on Airbnb.
Oddly enough the people who complained about rent control and increased rent prices in cities now ask for crazy prices on Airbnb when renting their room ( even if they have 3-4 roommates) It just isn't worth it anymore unless you're a group of 6-7 people. Might as well just get a hotel.
You can't actually kill the idea of a platform connecting travelers with decentralized supply. Sure, it's possible that the specific company Airbnb might not exist in the future, but there will always be people interested in exchanging spare housing capacity for money, and with the increasing ease of long-distance travel, I'd expect that population to only grow in the future. Maybe the dominant platform will be Airbnb, maybe it'll be HomeAway. Maybe it'll be Craigslist.
Hotels are actually really poorly positioned to fight Airbnb et al, since they face the huge capital costs of building/owning/maintaining giant buildings. Sure, they might win fights to change regulation or enforcement in some number of markets for some amount of time, but they'll never be able to spin supply up or down as nimbly as the marketplace platforms that don't own their own inventory.
