I agree, but in the mean time you can buy adapters that allow us to use mix-and-match batteries with other brands. Just search aliexpress for strings like "Makita or (insert brand here) battery adapter.
I’m ordering a LIDL parkside battery to DeWalt XRP adapter. There are compatible batteries for around 20€, but I have a few LIDL Parkside tools now, and only a couple of Dewalts.