This is very ignorant towards many cultures and such behavior would be actively harming your career in most places I've got to know. You're lucky to be in a place where your lack of empathy towards local etiquette does not result in more peer pressure, for better or for worse.
No idea why you are being downvoted. I think people in some circles and some places hold strongly to their newly crafted dogmas.
No one is equal to no one. I do not see how this can be taken badly at all : absence of equality does not equate to lack of intrinsic merit.
As to the main topic : I think some degree of deference to some people, represented by some specific words, is a good thing, as long as it does not fall into some Byzantine rules that make communication less efficient.
We are not equal.