Well you should really have that out with them! If you feel they're needlessly switching and putting your project at risk, have them justify it. (Or just have

Well you should really have that out with them! If you feel they're needlessly switching and putting your project at risk, have them justify it. (Or just have a rule that as a team you try e.g. '1 new thing' per project). Again this shouldn't be a reason to hate on the JS community.