What's the strongest evidence you have that someone actually wants this?

Sharp persona with role, tenure, stack, and the exact trigger pain identified.

What are your users doing right now to solve this problem, and what does that workaround cost them?

You name spend and delay, but conflate learners with employed juniors—different buyers, different pains.

Name the actual human who needs this most. What's their title and what consequence do they face?

Three real shifts named, but each is asserted without sharp, specific proof points.

What's the smallest possible version of this that someone would pay real money for this week?

Scoped and shippable, but the "bad patterns" definition is dangerously vague for V1.

What surprised you when you actually watched someone use this without helping them?

Channels are plausible but generic; no evidence any of them actually convert.

If the world looks meaningfully different in 3 years, does your product become more essential or less?

Numbers are specific but logic chain and channel assumptions remain unvalidated.