They are not a threat to the crypto community, because I think that they are the only company that are doing so much to near the mass adoption and to increase the standards of the whole industry. They are doing an awesome job.
Yes these companies are trying to set the foundation of crypto market and there are going to be more and more companies like these in future but they would be for business and not just for ideology. The only threat I see in the crypto market is the hacking think that can happen to any exchange and any wallet. This is something that needs instant great solution.