I think that Obama was far far harder on China than Trump. Trump gave up any semblance of influence in the region, and China has gained massive power due to the absence of US leadership in the area. The tariffs are a pointless show that have done nothing to weaken China in the least. If Biden follows Obama's direction we will gain far more geopolitical power in the region, but it will be impossible to regain all the ground that we have lost on the international stage due to Trump's general weakness and unwillingness to engage in basic statecraft.