it seems like reform would just leave the bourgeoisie to either corrupt the party or destroy it outright by force. suppose it where to go militant would the bourgeoisie just use modern surveillance facial recognition etc to grab the upper hand and destroy any revolution.
You probably should. Unless they have major problems (CPGB-ML’s transphobia for example) it is if nothing else a good place to meet other comrades and to begin to network. How else are we going to seize power if not through the means of a communist party?