My controversial opinion is doing anything for weightloss is inherently unhealthy.

Weight gain is more often than not a symptom but is treated as a cause. When people focus on weightloss it creates an unhealthy mental state and the goal of weightloss often comes at the sacrifice of health. Having a goal weight is one of the most unhealthy things you can do for yourself and the health benefits you may experience are outweighed by the negative impact.