my.cnf vars evaluated before plugin

MySQL fails to start on new installations if my.cnf contains an option that depends on a plugin.

# my.cnf
plugin-load =;;;
query_response_time_stats = ON

# error.log
2017-05-18T11:08:49.356652Z 0 [ERROR] unknown variable 'query_response_time_stats=ON'

It could be nice to be able to install and enable plugins in my.cnf. Is there any way to do that? Thanks!