Money that could be better used on other projects.

I just discovered that Google’s open source policy does not allow the use of software that is under the EUPL license.

Source: https://opensource.google/documentation/reference/thirdparty/licenses#european_union_public_licence_eupl_not_allowed

Waymo is on the right track; I wonder if it will expand to countries other than the U.S. and the U.K.