Because it obviously is just delaying the problem ? And air pollution isn't just about temperature, it's what you and every living thing breath, and it's a factor of ocean acidification which is a major problem...

Also:

> the 2020 regulations to cut air pollution from shipping is to increase global temperatures by around 0.05C by 2050.

https://www.carbonbrief.org/analysis-how-low-sulphur-shippin...

Again idk what your sources are but they seem to over simplify things so much that they end up not making any sense whatsoever

Here are some things you might want to read, it's much more complex than what the average people debate on twitter and other cesspools

https://en.wikipedia.org/wiki/Tipping_points_in_the_climate_...

https://en.wikipedia.org/wiki/Climate_change_feedbacks

https://en.wikipedia.org/wiki/Permafrost#Climate_change_feed...

https://en.wikipedia.org/wiki/Ocean_acidification

https://en.wikipedia.org/wiki/Atlantic_meridional_overturnin...