Pedantic - is an insulting word used to describe someone who annoys others by correcting small errors, caring too much about minor details, or emphasizing their own expertise especially in some narrow or boring subject matter.
Doublespeak: evasive, ambiguous, or high-flown language intended to deceive or confuse;
If you refer to what someone says as doublespeak, you are criticizing them for presenting things in a way that is intended to hide the truth or give people the wrong idea.