I think it's a load of crap but there are many others out there (deluded or not) that will go to the ends of the earth to explain why it's real.
Using the classic footage from Patterson - Gimlin as it has still not been proven as a hoax or otherwise even after all these years.
The believers will say the Bigfoot is at least 7 foot, has a posture not human and why go to the trouble to make it female with breasts.
Also they will say the footage is from the 60's so a suit with moving muscles and that much detail would be impossible for even the best costume designer at the time to make.
Then there is one guy who said he made the suit for Patterson and it's all a hoax.
The obvious thing it's not real to me is how staged the whole thing looks, he just happens to switch on a camera and all of a sudden a man in a suit appears (with obvious stiching visible) and turns back to face the camera? Not gullible.