I don't think the article is sarcastic given the nature of their app.
Where does one draw the line though? ESG[1] is becoming increasingly important to investors and I already see financial institutions instituting controls in their apps around gambling [2].
When should large companies with sufficient reach implement opportunities to address social harms?
[1] https://www.investopedia.com/terms/e/environmental-social-an... [2] https://monzo.com/blog/2018/06/19/gambling-block-self-exclus...