I am partially sympathetic to the idea that this can be a way for people to lead better lives - in the modern, economic sense - instead of subsistence nomading.
At the same time, China has, over the past several years, also demonstrated a trend of new behavior and a clear break away from a previous trend of liberalization that started with Deng. This push in Tibet should be seen in light of what is going on in Xinjiang, Hong Kong, the South China Sea, the East China Sea, Inner Mongolia, and at the Indian border.
My impression is that, aside from people who've studied abroad, Chinese youth today are more conservative and nationalistic than their elders. They've been fed only on a diet of domestic media with external news censored and have grown up only seeing their standards of living rapidly improving with China taking a more central role on the world stage.
The older generations, who suffered through the Cultural Revolution and then saw it end, and those who grew up during Deng's period are more likely to be liberal and sympathetic to the West. Even Jiang Zemin spoke English and liked Western opera.
But I think if you ask people of about any demographic, they will tell you Xi has changed the trajectory that China was previously on. The end of 10-year term limits demonstrated an objective shift towards one-man rule instead of an oligarchy where power was more diffused between elite factions.
China would love a propaganda coup involving Tibetans in their military like America's Navajo code talkers in WW2.
One effective incentive to get the nomads to settle down is to threaten their family members with fines or removal of subsidies unless they move into town.
I visited some of those made-ex-nihilo villages and talked to the people there. One immediately obvious thing is there are Chinese national flags flying on almost every single household and big posters of Xi in the households. I asked about those and the residents explained they get fined if they don't fly the flag or hang Xi's photo. They were definitely not acting out of patriotism. The scenes reminded me of a wartime occupation.
Military recruitment posters were also plastered everywhere, as it is a form of employment in a region with relatively few alternatives.
This is the first time I've heard of migration ratios as bureaucratic targets, but it's not surprising at all as it is typical for the government to set clear KPIs for their policies.