I can easily see it being 100k in 2030.

But not 100k of todays $$$.

INFLATION is going to hit hard at some point. 

For example
2020 Lamborghini Huracan EVO = $279,114 USD right now.

As of todays price of Eth $1778.51 you'd need 157 Eth to buy one.


Let's look back in 9 years.

It won't be 3-5 Eth to buy one.  It also won't be 157.