I've probably posted a similar comment a few times before, but why don't the dynos ever improve? I have no problems with the pricing, but dyno performance and m

I've probably posted a similar comment a few times before, but why don't the dynos ever improve? I have no problems with the pricing, but dyno performance and memory has been the same for, what, 5 years? Longer? The whole time I'm getting emails from AWS telling me about cheaper, better instances. Doesn't make sense.