You can also still have casual players online lol. It's not like casinos force you to play on a specific table, you can choose whichever. Outside of that the only thinkg I could take outsside of what you sasid was just speed, but that doesn't really influence "profitability" since it still relies on you winning. Personally, I don't think it matters much? Like, I'd 100% get destroyed anyway if a pro poker player was at my table whether it be offline or online lol. They're all the same games in majority of the cases though outside of special instances like that.

And if you wanted "fast paced" then idk, most poker games run the same time most of the time and I'd say they're pretty fast. If you wanted something faster just play dice lol.