I think one of the things you have to remember is this product is still in its infancy. (I think so anyway).
I'm in the UK and when they released it to Europe I got one. That was in March 2018.
10 months ago.
It has come on a long way since then.
Can it do everything I could do with ST? No. But I think, and hope, it will.
I have got things working so that I have everything I did with ST. Albeit somethings are a bit convoluted at the moment.
One thing I will say is my home router crashed when I was away last summer.
I couldn't get into my RPi or the HE dashboards to see what was going on. When I got home everything had still carried on working. My curtains opened and closed, my lights turned on and off and my away rules for random lights being turned on and off to look like someone was in the house, worked OK. On ST I would have been dead in the water.
So for me, the current deficits are far out weighed by local automation that I know will carry on working on my current set up.
Just my observations on the product and I know everybody's needs and requirements are different and this is not in any way saying things are perfect.
I think you may find after you get into HE you will find that there are ways round most things.
BTW. It may seem like I'm in HE sales but I'm just an average, non-coding, retired old git who loves playing.
Now, where did I leave that bottle of red!!!!