pixels are not preferred

Question

the text implies that pixel after preferred over ems. this is false. ems are preferred. they are more accessible and put control in the user's hands. always prefer ems over pixels

Answer 1

Pixels are preferred, but you should never use them for text, just for the layout.

Answer 2

every programmer has every right to chose which of the two he'll go for just like an adage says 'one man food is another man's poison'. So one can't actually say this one is more preferable than the other esp when it comes to programming