From the lens of a merchant who is not a BTC/LN wizard the benefits would be:
1) automagically receive payments quickly, cheaply (dont have to care about how LN works, manage my channels, liquidity)
2) have the option of not dealing with btc price volatility when accepting 

Custodial seems the trade-off for 1). 

 i thought the whole point of using btcpay server was self sovereignty 

 🌶️ question. Lets ask this to @btcpayserver team:

Wen non-custodial auto-magic LN pay accept solution? 

Is custodial necessary for stablesats? 

 BTCPay App has been announced and worked at.

USD in my view will always be custodial in some manner because it's a fiat tech.

Finally - I don't understand why need for 🌶️ and negativity. Like why create drama online - if you don't like something - hit me up in DMs - tell me what is the problem and what you want me to do. Let's not use my posts to drag down cool FOSS tech that can be used to onboard more merchants. 

 only spiciness i see here is you calling my posts “drags” 😂 

 This is a plugin Galoy / Blink developed with Kukks  in his free time.

Base BTCPay Server has LND integrated in the stack so you can use it in fully self sovereign way for over 5 years... I've done integration and supported it ever since. 

 More options to BTCPayServer customers seems like a win to me. Well done, sers 🤝 

 🫂 

 I am not a BTCPay customer today, and I anticipate a feature request that may benefit BTCPay customers by reducing the custodial risk @ROCKSTAR :

If custodial account reaches (a user set, non trivial amount of) X sats, automagically transfer from my custodial to my non-custodial wallet. 

 Already possible with Prism plugin I believe 😉

It's the flow they used at Baltic Honeybadger last year

https://youtu.be/mDeuHh9gqQM 

 🔥 BTCPay is already in the future. 

One further product learning from Damus for yalls consideration:  if something is hidden deep in settings, many people will never find it. 

 🫂 

 ;( 

 o.O 

 I would call it being upfront and direct about the tradeoff that is made: convenience and ease-of-use for sovereignty and full control. 

The alternatives are either being technical and running a server yourself or going through extensive KYC and then using closed source services where you pay a % of your revenue as fees. 

Blink X BTCPay is offering merchants a middleground with a reliable service on open source software and just a phone number for registration, no fees for Intraledger / Lightning payments and 0.2% spread for Stablesats conversion. I'm hopeful this reduces a lot of friction for using BTCPay tools and will make bitcoin payments in (e-)commerce a lot more accessible. We'll see.