this plugin slows down my site big time

can you please tell me why on app engine a wordpress install brand new and fresh slows down to hesitating every link i click in the admin once this plugin is activated? others are reporting same thing and are hiring developers to modify the wp stateless plugin to use with app engine ….it literally defeats the entire purpose of using google cloud since its slower than a small VM even with no traffic of database of any kind no posts, users etc fresh install

we all really want to use google cloud my brother even works for it but cannot without this plugin working right can you help please?