I mean, maybe? I know my art got a lot better when I started drawing lewds. It's good motivation, and lets you practice anatomy while you're at it. I've noticed a lot of good or professional level artists make at least some suggestive images. I'd say most of the better fan artists out there do some lewds and a lot of them have alt accounts for porn.
Part of the fun of being an artist is the ability to bring to life anything that comes to your imagination. For any healthy adult, a lot of those things are going to be sexy.