Do you remember the time when slow webpages with megabytes of ads in popups/iframes were killing the web? When almost every webpage was trying to get you install their half-baked mobile apps?
AMP webpages are fast and responsive. Publishers that don't use AMP now have to make their webpages fast. Competition is good for the user and the web.
This shows that browser vendors are not really good at writing JS benchmarks representative of real world, which is not surprising considering that they are not doing real web development.
Ideally benchmarks would come from developers of popular websites like Facebook, Twitter, etc.
This sounds like a bug. If you can reliably reproduce 32kb txt file taking up 1GB, would you mind filing a bug at https://crbug.com? Or I can file a bug if you let me know how to reproduce this.
AMP webpages are fast and responsive. Publishers that don't use AMP now have to make their webpages fast. Competition is good for the user and the web.