They are one of the best IMO. 95% of what makes a book good for me is payouts and they are among one of the best. Been a while since I used them though because once you get a payout you’re basically done receiving bonuses
Its definitely reputable in that they will always payout and they generally do things the right way. But as you noticed, the site is not great from a user experience standpoint. And the stuff they offer is limited. They used to have multiple sportsbook options on the site, but those are sadly gone.
BAS is an excellent out. I recently requested a 9k payout and it was in my account in 3 hours. And it was on a Sunday.
That being said they will limit you and spool you if they think you are a steam chaser.