Install Lutris.
Use the battle net install helper for Lutris.
Launch battle net.
Profit.
It’s like one extra step (install Lutris) compared to Windows. Using Linux doesn’t have to be some archaic mystery and the proliferation of the steam deck is doing wonders at improving the ease of use of all this stuff.
The only entity benefiting in this scenario is Denuvo, while the client clutches their pearls to protect a misguided concept of the elusive lost sale. Denuvo rakes in cash in the name of copy protection, but the truth is most acts of piracy are driven by a lack of means to obtain the product or a desire to demo the product.
Sure it’s their right to protect it but I don’t think there’s any accurate way to actually measure the impact of games with and without such aggressive copy protection.