Reducing plastic waste is a step in the right direction and should not be dismissed just because there are other problems that may be harder to fix right now.
That's not what a prejudice is. It's also not what he said. Maybe if people wouldn't be so hypersensitive we could address the problems a country might be facing. India has many issues.
So what if he points that out, while we're discussing a different issue? It's part of having a conversation.
In general, a relatively small percentage of older vehicles produce a huge proportion of auto emissions. If governments can enforce regular emissions tests and pull the offending vehicles off the road, it makes an enormous difference to air quality.
https://www.technologyreview.com/s/603649/india-now-has-the-...