You don't get better by waiting until you can be better, you get better by doing your best, falling short and discovering how to overcome your shortfalls. You

You don't get better by waiting until you can be better, you get better by doing your best, falling short and discovering how to overcome your shortfalls. You don't get a budget to 'try to build the battle of five armies perfectly and only then will you get to put it in a movie'. Overambition is frankly BAKED into the movie industry and has from the beginning. So yes, cutting edge effects will fall short, they have since the beginning of film. But the techniques are always getting better. When golum was introduced in the LoTR he was not perfect but you can see the improvement just within that series from movie to movie, he's always looking better... 'touch' interaction between cgi human actor also improves quite a bit but still lacks, the wrestle that frodo and golum have at the cracks has .. cracks.