I would say that the video 100% does impact your decision, it inspires confidence & gives a snapshot of the product. It can also if produced poorly create a negative impact for the potential ICO.
If you are looking at your next ICO to participate in, then look no further than “Hero“. Their mission is to make credit more readily available & affordable for the unbanked in Sth East Asia. Read their whit paper, this is going to be HUGE !!!
The main sale starts on 1st Feb2018, use the below link for 10% free tokens.
https://membership.herotoken.io/r/vGLPMd35xRk