You're correct. I don't know your Bangkok as I am not the occasional tourist, but a 25 year permanent resident who first came to the City of Angels 50 years ago and seen the city change dramatically.

Except for the JW Steakhouse for prime rib, Man Ho for Peking duck with XO sauce or lunch at CY where I'm treated like Norm I don't go to hotel restaurants as you seem to enjoy. (I do however go to a French Rest recommended by the staff of the French Embassy which is literally impossible to find unless you know someone).

And street food has been significantly cut by the Governor's order so the places you recommend are likely no longer in business.

I'm sure Normandie has a published dress code, although Thais are so non confrontational they may choose not enforce it with long noses (farangs), but doesn't mean it doesn't exist.

But, in the end, enjoy your Bangkok as I enjoy mine