I think Indycar's in the best place it's ever been post-split, I'm a fan of Josef Newgarden, and he fills the niche of "American driver who's good in Indycar" which has been a rare commodity for a while.
...Only problem with the statement "I think Indycar's in the best place it's ever been post-split" is that I think it's still woefully disappointing compared to what it potentially could be. I'll be 33 this year, so the 1995 Indy 500 was actually the first one I can remember watching. People around my age (early to mid 30s) are now the youngest people that remember a pre-split Indycar series. As awesome as CART in the late 90s was with cars going 240+ MPH around Fontana and Michigan, it clearly wasn't sustainable (RIP Greg Moore) and AOWR hasn't recovered from Tony George and the CART car owners pissing match in the early 90s ever since.
I don't think it's productive to be a doomer Indycar, fan (which it's always funny how every fellow Indycar diehard I know talks about it like we're battered housewives) but I think the series can be much more than just Roger Penske's pet project until he dies/walks away. I will never not bitch about it being a spec series, the engines are way too neutered and quiet, and I think making the cars harder to drive/less aero would make the on track product a lot better. (Although it's still very good) And more ovals; ovals are what makes the series unique and stand out between the stock cars of NASCAR and the grand prix racing of Formula One, where historically, to be a successful Indycar driver, you have to be good at every kind of track: Superspeedways, short ovals, road courses, and street circuits. That's what makes Indycar so awesome and why every fan always begs to add more ovals to the schedule.
I love Indycar, I love where it's at now, but it can be better and it should be. The Indy 500 is still greatest spectacle in racing. Indycar's problem that's been a problem since Tony Hullman died in the 70s is that it's never had a Bill France Sr. or Jr. like NASCAR had, and it's never had a Bernie Eccelstone like F1 had. You can hate them, but having a central figurehead that dictates where a series goes is extremely important.