the poll should have a both.
For beginner, it's easier for them to read tab, well they need somewhere to start and tab is good choice.
Then when you progress further, naturally you would need to play by ear. Especially sessionist, they can't give the excuse i can only play with a chord book and tab given right? Once you figure out the key to the song, the note can be found easier...
hey, but me just play rthythm ... dun quote my word hor...