Make cars use more gas by having operate at speeds they aren't meant to operate at constantly. Check.
Make people sit in cars longer resulting in longer commutes and more pollution. Check.
Claim that some number printed on a sign magically saves lives. Check.
Do literally anything to actually address the issue at hand. Not check.
That sounds more like an iPhone problem than a large phone problem. You have complete control over both text size and display scaling in Android.