I drink both tea and coffee and use both instant and the real thing for both. However, if I'm paying at a cafe, I would expect proper tea, not a teabag. Hence, I don't order tea at a cafe. And while I don't use bone china for my tea (I should because I've got all my Mum's lovely cup & saucer sets stored away), tea cannot be drunk out of a chunky mug - it just doesn't taste the same.
Interestingly, I know quite a few teenage boys who won't walk past T2 without going in so surprising that cafes aren't getting the message.