Your sample size is 1. Mine is 5.
Beyond that and more importantly, a groupset is supposed to work, rather than break for no reason, so I am hoping that you're not the only user on the forum whose groupset is working!
I keep posting about the issues with mine so that it's visible to others who can then decide where they spend their money. I expected it would be beta, but that's a farce of a product, not a beta. I mean the failure rate is 100pc, as the 5th group is not being ridden atm. If they were on point with warranty and support, I wouldn't necessarily mind too much, but they're not.
Would be nice to have polls on the forum though, to know who's riding what.

This is different. they are saying that the only way to buy their products is via their website.
what you are saying is what LTWOO is doing for eg, which is, in case of warranty issues, you contact your reseller, and the reseller liaises with LTWOO. I know that 1st hand, given i'm now on my 3rd dead ER9 RD, and every time i go through the reseller, which is torture.

My ER9 is still going strong. When it works, it's f**king great! Though I'm not ignoring the problems. Hence why I don't ride my ER9 bike in the rain & don't wash it with a hose, I rotate my bikes to minimize wear-n-tear and I don't do things like shifting both the left/right shifters at the same time.

Also I'm theorizing that some aftermarket batteries might be an issue as well. That's the one variable that differs between all the working/non-working units. This is probably why Shimano uses their own proprietary unit and SRAM insist on only using their OEM batteries. I could imagine a sh**ty battery could potentially toast the ER9/X RD electronics.

Even with all the issues and the non-existent LTwoo support, I'd probably buy another ER9 groupset when it's on sale. The performance-price-risk factor is still worth it for me.

Don't forget the market pressure on SRAM and Shimano to price their stuff more reasonably or at least offer lower-end electronic parts. Ocme economies of scale kick in, there's no reason why electronic parts should command such a premium price compared to mechanical groupsets. There's SO many small precise parts that need to fit and function perfectly in order for a 10-11-12 speed groupset to shift reliably, and do so over hundreds and thousands of miles of use. I can't wrap my head around why that is the cheaper option, other than it's tried and true, they have supply networks all in place, the design and engineering for manufacturing is all in place already, etc. etc. and momentum carries it all forward.