Last week I bought a video camera with bike and other attachments from Aldi for £29.99. It seems to do the job very well. I have wanted a camera for a long time but found it hard to justify the cost of more expensive models. I got mine from the store in Didcot but they also sell them on line. More info here https://www.aldi.co.uk/reka-hd-action-camera/p/082026192824300
Without looking in detail at the content of the reviews on the page you linked to, the ratio of numbers of good reviews to bad ones seems to be adequate but not overwhelming…