In stock market, poor people pay the highest trading fee, where rich people pay low trading fee, 401k probably paid zero trading fee because they own the brokering market, yup, stock market benefit rich people and punish poor people on trading fee alone.
I think this is a misconception on your part to assume that there is a standardization of denomination of transaction fees.
In BTC, regardless of the value that you transact/send, the transaction fees will always remain the same depending on the price of BTC. In addition, if you want to make your transactions faster, there are services that offer additional payment for faster confirmation, just like in ETH. So it does not follow that if you transact a large amount of ETH or BTC, the fees would be proportional to such.