To me Mighty sounds like a similar category of product. They are betting that PC/Laptop/Mobile hardware will stagnate from this point on. Exactly when Apple has launched M1, which blows the previous version out of the water, at a non crazy price. From this point it’s a matter of time other hardware also catches up in terms of performance and price.
Besides, yet another company to handover my entire browsing history and data for purported improvement in latency? I don’t know.