Do regulations on bar or restaurant capacity qualify as "basically" no restrictions?
No. There are a bunch of states with no restrictions on restaurant capacity -- Florida, Georgia, Indiana, Idaho, Kansas, Maine, Missouri, Nebraska, South Carolina amongst them.
If a place of business is limited in their capacity by a government mandate they are operating under a restriction.
I don't disagree with this. I'm pointing out that there are many places with very few restrictions, if any.
If the restrictions are not what is keeping people away why have the restrictions?
Because the leaders of states with restrictions view their role in keeping the populace safe differently than you do, and believe that lives are being saved by restricting restaurant capacity. I understand that you disagree, but there's plenty of evidence out there suggesting that such indoor settings have been 'super spreaders.' I don't think this is an easy answer.
Those who aren't going now could continue to not go without the restrictions and those who choose to go could under their own free will.
Adding to the complexity is that the risk is not solely limited to those who choose to eat in a restaurant. It extends to everybody they come in close contact with afterwards.
I think this is a really difficult policy decision being informed by data and insight that's consistently changing, just like the virus itself. I think it's incredibly easy for people who don't make difficult decisions to second guess those made my others, but much harder in practice.
I've had to implement Covid policies for a large population of front-line workers. There are basically no good options. Two of my wife's colleagues died of complications of Covid. These are very difficult decisions with real impacts and basically the only thing I know with any degree of certainty is that people like you -- who insist they know all the answers -- do not.