You're link is dead. Here [1] is a fairly nuanced take that concludes that most scholars would call what is happening "genocide," particularly due to the forced sterilizations.
Regardless of whether it matches everyone's exact definition, it's clearly an atrocity.
In there, they say frame it as an attack on minorities, but then they describe it as being applicable to people who already have 3 or more children. They just finished up a 1 child policy for the entire country and the Han majority are still reproducing below replacement levels.
There is plenty to disagree with about their policies, but it's not genocide.
Regardless of whether it matches everyone's exact definition, it's clearly an atrocity.
1. https://www.smithsonianmag.com/history/is-china-committing-g...