Words have no power unless you grant them power. Even yelling fire in a movie theater has no power if you do not panic. When I was a kid, we knew most if not all the racial slurs. When somebody used one, we would fall back on the old saying sticks and stones and then consider the source. Those that used the slurs were quickly ostracized by both the kids and their parents. We did not need a safe place, we did not whine and cry about somebody being mean to us. We ignored the offender and left them to their own devices.
When everything becomes racist, then it looses it importance or value. Over using the F bomb has lost the shock value, now it is just a sign of a poor vocabulary. Trigger phrases are the stupidest thing to come down the pike in a very long time. Insults are rude behavior but should not be construed with illegal behavior. It is just bad manners. When the freedom to use any word is banned, that is the first step to a loss of freedom. The P.C. Snowflakes do not stand a chance once the SHTF. There will not be any safe places and nobody will give a darn if they get their feeling hurt. The power you grant a word, phrase or concept is what gives it meaning, nothing else. You are in control of granting the power.