After which year have all advancements in bicycle technology been rendered useless for bicycle touring specifically?
Cannot nail down the year for your convenience , but if you overspent on your bling bike and have a breakdown in a place with just a cash stressed Local shop ,
that does not sell any bikes that expensive, ever..
you have to wait for replacement parts to be special ordered and shipped air freight long distances...
where I live the LBS has a trophy plastic Gates Crank belt sprocket, it broke, but as its a town full of brewpubs, bars, restaurants and hotels & motels
it is not boring to hang out ..
....