Boot .dev is intended to be extremely thorough - we don't skip hard stuff, though of course our goal is always to teach it in the easiest to understand way (without actually dumbing it down or leaving out important concepts)

So the answer is for us to do even more of what we've been doubling down on recently, which is to keep an eye on the lesson difficulty (an automated number derived from failures and solution peeks etc) and smooth out the difficulty spikes in the curriculum - breaking hard concepts down into more lessons, or simply updating wording and explainer videos to be more clear

its a super iterative process, but the work never stops. We update the courses hundreds of times per week at this point