Here is the thing, replacing something may be hard or easy. But getting the parts (which are already produced and available for the manufacturers for their "added value" repairs) should be as easy as how they are getting them too.

Not to mention manuals/instructions. Regulation discussed here is about these too.

Also as consumer, I would argue the marketing done by apple is just scammy. They keep praising how much carbon saved or sustainable new machines are. But in fact, a minor issue becomes a massive electronic dump.

I also like Macs, I own several of them. Repaired a few. Mostly replacing batteries and keyboards. For example 2014 Macbook Air had a normal battery, no sticky business. Meanwhile 2020-2025 MacBook Air has sticky stuff, making repairs harder.

The best part is, 2014 macbook air has 54 Watt/hr battery, 2020-2025 models are 53 watts/hour. The lasting battery gains are coming from Apple silicon efficiency as well as modern BMS.

Simply put, regulation is the answer. Apple makes it difficult because they can, and also because it creates revenue. Of repairability was the source of income, you would see 10/10 repairable macbooks with no (significant) tradeoffs. (ie. it could be a few grams heavier for added screws)