Hey Emilio, unfortunately the Curve Team denied the proposal about a treasury swap, and buying more than 2.5M$ worth of CRV was not a good option, so we looked at other possibilities and BAL is one of the most interesting.
However, the treasury is not only growing on mainnet, but also on Polygon and Avalanche, which could open new possibilities and strategies if we consider having different strategies on each chain where Aave is deployed.
Because the most important is to follow the community choice on this point, @llama published a snapshot vote that present the benefits and the drawbacks of both options: Focus on mainnet or work on deploy strategies on different networks too (the snapshot vote will be live at 4PM CET today):