For one thing, they may have been looking for a reason to change management.
My guess is that the manager used Google Translate for help and it spat out improper wording/wprds that could be misconstrued. Words like "educate" etc. As hotchili said, it would have been better said as "Let me explain/clarify the hotels green policy" and not come off sounding like you are disciplining a child. You dont school the hi-so on a public forum!!! 😲