Some people thought that the next ethereum merge will reduce bitcoin transaction fee, you can check the few misconceptions circulating around among people but which are actually not true but false.

The Merge

Misconception: "The Merge will reduce gas fees."
False. The Merge is a change of consensus mechanism, not an expansion of network capacity, and will not result in lower gas fees.

You can click on the link and read the other misconceptions about the upgrade.