Channels are only problematic if they're the only tool you have in your toolbox, and you end up using them where they don't belong. BTW, you can create a deadl

Channels are only problematic if they're the only tool you have in your toolbox, and you end up using them where they don't belong. BTW, you can create a deadlock equivalent with channels if you write "wait for A, reply with B" and "wait for B, send A" logic somewhere. It's the same problem as ordering of nested locks.