Or, if you have the funds you could overspend on a dynamo that could not blind a mouse, flickers when climbing, and loses light when stopped for a bit, weighs more, creates 6-8 watts of drag, and you could attach it to a light with connect been trliability issues allowing water to infiltrate or worse there are some that have an actual opening at the bottom to let water spray or insects inside but the effect is the same.....they leave you stranded unless you carry a battery powered backup.
Tongue in cheek, supposedly newer dyno lights are not as problematic
LOL about over-priced, everything on my bike is over-priced by most folks judgement. My commuter/gravel-grinder/touring bike cost me ~$1200 with dynohub and disc brakes. Over-priced for certain, a $200 Craigslist bike is all I really need.
Every other claim you've made hasn't been true since 1980.