Automatically upgrade A2 motorcycle licence to A licence after 2 years

We believe it is unfair and nonsensical that it is harder to obtain an A motorcycle license than a B car license, despite the fact that a car is generally more of a threat to other road users than a bike. Why can a B license be held unrestricted at the age of 17 while an A license requires at least one extra stage and a higher age, and many more stages for people following the progressive route. This can cost thousands of pounds. We believe the whole system is over-complicated and unnecessary. There are many parts to it that I don’t agree with but this petition specifically calls for the A2-A license upgrade to be automatic.