Earlier quoted context omitted.
> Yes, all those issues could be addressed by making Apple laptops thicker and heavier Dell XPS 13 is both, thinner and lighter than Macbook Air, yet its battery replacement process is rated as "very easy"[1] by ifixit. The same applies to Dell XPS 15 vs Macbook Pro. [1] https://www.ifixit.com/Guide/Dell+XPS+13+Battery+Replacement...
Looks like the Dell XPS 13 uses a single rectangular battery, though it still requires unscrewing the whole case, disconnecting a battery cable, and then unscrewing the battery, so it's not something you can do on the fly. The 2018 MacBook Air battery isn't quite so neat and rectangular: https://d3nevzfk7ii3be.cloudfront.net/igi/HvCgVPqVQtVI5K5X.h... And you can see here how it fits into all of the available space in…
The point was, that despite getting rid of the single rectangular battery Macbook Air is neither thinner, nor lighter, nor more powerful, nor longer lasting on battery than Dell XPS 13.