I came through a comment here
... Only once you know this are you interested in considering workarounds
I believe I can rephrase it to
"Once you know this, you are interested in considering workarounds"
Or this,
"Once you know this, you will be interested in considering workarounds"
Or,
"You will not be interested in considering workarounds until you know this"
I realise that it kinda make more sense to me when I change it from present tense ("are") to future tense ("will").
My question is, what grammar is this exactly? How can I learn more about it. Because this is definitely not the first time I encounter this style and I am just curious.
Super grateful.