Almost all of the above is utter bollocks.
Wood isn’t more expensive than bamboo.
Wood isn’t too hard to take care of.
Stone (granite) DOES need treating once a year.
We took the view that we’d just get what we wanted, instead of being swayed by horror stories (from people who couldn’t/didn’t know how to look after work surfaces). So went with solid oak despite having a little un who likes to ‘help’ when cooking and so far, so good. Wipe up spills etc and don’t leave stuff to soak in and its spot on.
Whatever you do though, don’t buy solid worktops from the likes of B&Q etc. They were charging £500 for 3m of 620mm x 40mm oak. We got all ours (8m I think) for £400 from Worktop Express online incl delivery.