I mean, as far as I thought before reading this that IS the case. Hydaelyn may not have come across as a 'big bad' but she most definitely did temper us with her 'blessing of light'. The whole "hear, feel, think" -- that's her instructions just like the tempered hear the will of primals. The only difference is Hydaelyn is not focused on making a big flame or eating earth crystals. She is obsessed with Etheirys providing an adequate answer to Hermes's test

This is how Meteion tests for friendship upon meeting others:
I wish to hear your words, share your feelings, know your thoughts

Hydaelyn grew you into an aethero-dynamis payload. You are just a bomb delivery system. That's why she tells you to
Hear, feel, think