The point the article makes is that it's not just about vitamin D but also nitric oxide synthesized which lower blood pressure and improve CV health in excess of whatever risk you accrue from the sun exposure.

It's important to consider of course that different races age differently. Is it masks and gloves, or is it being of the local ethnicity? Not getting any sun at all is really bad, after all, since as the article shows, vitamin D supplementation is quite ineffective.