>Deore is quite a bit less good though- not very well sealed but also the bearings aren’t that durable even disregarding that<
Had them both apart (Deore and XT) and I cant say I was drawn to that conclusion i.e I thought the differences were very minor though clearly to give the XT unit less weight.
Either way the trail sh1te entered both of mine with the same alacrity. I’ve also fitted Enduro bearings into XT cups and they didn’t last any longer than the originals. Same goes for Enduro front hub bearings so I have to conclude that a lot of this is down to the conditions you ride in