You could go out, network, go to hiring fairs and various places. At which point you're pretty much always going to be asked for a LinkedIn, and pretty much no

You could go out, network, go to hiring fairs and various places. At which point you're pretty much always going to be asked for a LinkedIn, and pretty much noone will want to put work in for someone not doing something has simple as creating an account. So, unfortunately, as the other comment said, swallow your pride. These networks have made it so that the cost of idealism is being cut off socially, whether that's friends or employers.