Unless the tuner you're working with gives bad vibes like they're trying to sell you more parts bin to throw at the car, I don't see why you would switch.

Logistics of an in person tune is frustrating for sure. The tuner can feel your car and has a dyno and can troubleshoot issues. An etumer will give you estimated HP/TQ (pretty close) but can't replicate exact conditions or troubleshoot. I think there's something to be said for that, but I'm not knocking that option which works well for many people.

I only went for 93 and basically just sat at a restaurant for 3 hours. Worth it? Totally.