To me Crystal is too often different from Ruby for the sake of being different in ways that just makes it infuriating to work with because the effort of porting code to it is much higher than necessary, and the main advantage it offer is being compiled. That’s just simply not enough for me to consider switching.
It feels like most Western CCP cheerleaders are basically cheering on a pre-Deng version of the CCP and haven’t quite noticed that the CCP of today would totally purge anyone pushing the pre-Deng/pre-1978 views of the CCP.