In times of ever more limited funding and more and more competition, open science will not emerge. Researchers now have to fight not only for scientific results, but for their own livelihoods and that of their families.
The more funding gets cut, the more it needs to be restricted on topics deemed important. More researchers will accumulate in such "hot areas", making them even more important. Nothing will be shared in such a situation, but instead you will see a rise in scientific misconduct.
Even though you mention my site as publishing data before publication, the data cannot be used for evaluation. Not even in my comparatively unimportant area would I expose unpublished results in the current research climate.
Open Science is the way research should be, but as long as your family's survival depends on it, it won't happen.