How is it less or not needed? A lot of commercial businesses and non businesses use centralized payment gateways for the sake of convenience. Every payment goes through a filter where these payment gateways analyze the risk of each transaction, even when the nature of the transaction is innocent. The need hasn't ever been more pressing.
BitPay & Co have done nothing but signal the need for alternatives such as BTCPay. The more businesses adapt the more freedom people and businesses will have.
Speaking of such, Namecheap (largest domain registrar in the world) is exploring its routes to ditch BitPay after hundreds of complains of them being shady and because of their unfriendly checkout page. Several users have proposed BTCPay, so we'll see where it ends.
Not just Hong Kong, but many places the world over. And there are plenty of people who don't need to convert to fiat, if I was selling something, I'd take bitcoin and not convert.