What is the word for this type of troll that feigns lack of understanding?

crashabr 7 hours ago | parent | next [-]

sea lions

	▲	Planktonne 4 hours ago \| parent [-]
		From this Wondermark comic [1]. [1] https://wondermark.com/c/1062/

dgellow 7 hours ago | parent | prev [-]

Gaslighting