I love Deno but I'm cautious on adopting for the same reasons. It seems like Deno can only win if they fully support their hosting competitors as well. At the same time, they will need to be as-good or better at hosting as the industry leaders. Alternatively Deno could decide to drop their own hosting and offer a multi-cloud solution with a slim margin over their hosting partner adapter. With this path, Deno wouldn't have to directly compete as a hosting provider.