Isn't there a Bitcoin fee to open/close a channel and then the fees involved sending via lightning nodes? Also the routing problem is starting to become an iss

Isn't there a Bitcoin fee to open/close a channel and then the fees involved sending via lightning nodes? Also the routing problem is starting to become an issue with the network at just ~5000 nodes - How will it scale to millions? Of course these are just the technical issues, there are others concerning centralization which always seems to end up in a monopolistic end game that end up with consumers having no choice but to pay.