It is a method! That method is predicated on European Enlightenment avowals of what constitutes an acceptable boundary of truth, an acceptable methodology, and the primacy of certain measurements. That's the subjective part.
2+2 does equal 4. That doesn't mean valuing 4 as an answer or valuing the act of valuing of the certainty of 2+2=4 is an objective position.
Look into Philosophy of Science - this is not a controversial perspective.
As a teacher, I filled in to be the last person they needed for a college trip to Disney. As we entered the park and got checked for bombs,my idiotic NPC colleague lisped "it's so beautiful here 🥹". As we were getting checked for BOMBS