Yes the squeezelite on innuos core is amazing. And shows that the roon recommendation to have the core and endpoint separate isn’t necessarily the best solution.
As to your question about exploring this method further, there’s a whole other thread where it got very heated. Those asking Roon to explore these type of options and then those stating ad nauseam that there is no evidence to even warrant trying. That’s pretty much where it ended so hopefully one day Roon takes SQ up a level by exploring these options more.