Everyone is allowed to prioritize.
But if onechoosesnot to prioritize the basic standards of public decorum, perhaps it's best to frequent places with lower standards.
Not unilaterally lower the standards to suit oneself, at the expense of people who are paying for and expect a more refined experience.
Have we actually established which hotels ban/frown on particular clothing choices of their guests, or specify what their 'standards' are - so that we can check if they align with the arbitrary ones that certain snobbish people on here are assuming simply must be the only relevant ones, as they are the ones that they care about?
Because if they don't specify any preferences that they may have, we can only assume that they leave it up to their customers to decide what is appropriate, and that they would intervene in the unlikely event that they should disagree with any customer's unreasonably wild interpretation.
I take it that the judgemental people on this thread realise that hotels are not usually run as charities, meaning that those whom they have taken against and wish were not there have paid for the provided services, just the same as they have? For all you know, you may well act in petty ways that arbitrarily mildly annoy/offend them, just as they seem to have done to upset you,
If it matters so very much to you that your standards prevail, there's absolutely nothing stopping you from booking out - and paying for - all of the available rooms on the day that you are gracing them with your presence, as long as you put in the effort to be early enough to do so. Or it may be easier to just buy your own hotel and then single-handedly forensically vet everybody who requests to book, to ensure that they will meet your exacting standards for your establishment.
Alternatively, you could always just make minor decisions for yourself, according to your own preferences; and let others make their own minor decisions for themselves. Simpler still, why not just focus on your own life and ignore how others live theirs, other than holding doors open or saying Please and Thank you on the odd brief occasions when your paths cross in the place where you both happen to be accessing services?