Sure, and if you have a cure for obesity that works rapidly in the general population - because "please get more exercise" hasn't thus far - have at it.
You said you are in the US in another comment. I took 3 minutes to google some big US news sites. They all had multiple articles on the topic from spring 2020 until now. Your criticism is false. Some random examples:
https://www.nytimes.com/2020/04/23/health/coronavirus-patien...
https://www.washingtonpost.com/world/2021/03/04/coronavirus-...
https://www.washingtonpost.com/health/coronavirus-obesity-ri...
https://www.foxnews.com/health/study-links-coronavirus-morta...
https://www.foxnews.com/health/obesity-increase-coronavirus-...
https://www.foxnews.com/health/is-americas-high-obesity-leve...