Science can define what a sweet taste is, by assigning it to a set of measurements that define the boundaries of sweetness, as a technical term.
Is that sweetness to you? Nobody cares. It's a technical term that you need to accept to participate in the conversation productively.
"need to accept" is a "subjective" consensus - meaning it is useless if the terminology is not accepted.
Acceptance is a subjective decision, at which point you're simply going by majority vote. And majority is not a barometer for truth.
Science absolutely cares about subjective acceptance, and faith in experts.
Science can define what a sweet taste is, by assigning it to a set of measurements that define the boundaries of sweetness, as a technical term.
Is that sweetness to you? Nobody cares. It's a technical term that you need to accept to participate in the conversation productively.