A1: Two. One to get on their high horse and another to chastise them for oppressing the horse.
A2: One hundred and one. One hundred to crowdsource a website dedicated to finding out which brands satisfy a strict set of current vegan criteria and one to order the light bulb from an obscure online store in an overseas country.
A3: None. Vegan don’t change things, they be the change.
A4: None. Lightbulbs are NOT VEGAN!!
Now it’s your turn, add your own answer in the comments!
*BTW I decided to roll all the lightbulb jokes into one single post. New ones may be added later.