In that case, shouldn't there be a flood, or at least a stream, of existing big companies setting up new subsidiaries to take advantage of this? There are many

In that case, shouldn't there be a flood, or at least a stream, of existing big companies setting up new subsidiaries to take advantage of this? There are many big companies with existing lobbyist divisions, deep pockets and experience in broadly similar areas. Food, cosmetics, chemicals spring to mind.