I think you misunderstand how investment funds work. The idea is not that individual funds invest in whatever they think will get the best return, or the extent

I think you misunderstand how investment funds work. The idea is not that individual funds invest in whatever they think will get the best return, or the extent to which they believe in the underlying asset. Fund management firms create funds based on specific investment ideas; the fund managers receive a mandate based on that investment idea and then people buy the fund (or not) dependent on whether they believe the fund represents good value for the purpose it serves in their portfolio. You even often see the same fund management firm with one fund that is long an asset, and another that is short the exact same asset.