[LargeWu]

"but when I turn on the tennis channel and I see the commentators talking about the “Fan Dual match of the day...”

This sort of promo message is almost as old as sports broadcasting itself. Go to a baseball game and everything is "Seventh Inning Stretch brought to you by Tire Plus" and "The Schweigert Sausages Mascot Race" and "Bud Light Fan Cam" and a million other sponsored messages. This is no different really, except it's for a product you find objectionable.

[singleshot_]

Gambling might be a math problem, and it might be a grift, but it’s definitely not a product.

[fragmede]

The ad's aren't for gambling itself, they're advertising a specific gambling platform. An advertisement for Absolut Vodka isn't strictly an ad for alcoholism, it just also happens to contain that message.