The A-L boss makes some painful generalisations and seems incapable of seeing the situation from any point but his own. Crikey! At last we don't have that type on this forum!

He comes across as a bully who is accustomed to getting his own way. I may be wrong.
I am completely against what he says. It seems wrong, wrong, wrong.
However...
1. It is not entirely unrepresentative of the views of many, many other road users out there. He has the muscle and the money to air his views, but he is not unique. We all know that.
There seems sometimes to be a mindset among some cyclists (it may be those who have never driven or never driven HGVs) that is slightly hostile to and dismissive of other road users.
Even if we allow for the accepted truth that people who post on the Internet are sad, bonkers or deluded, it should be noted that very many of the responses to the piece are (for all the poor grammar) hostile to cyclists and in agreement with the A-L man.
2. Every cyclist who rides selfishly, dangerously or inconsiderately is adding to the problem. I include myself in that number, as I ride with vim when in London. I shouldn't, but I do. It's the courier in me m'Lud.
3. And I don't just mean the former couriers and brain-out brakeless hipster skid-stopping between HGVs.... There is also the (usually urban) cyclist who didn't ride as a child, doesn't drive and simply has no sense of how traffic moves and works. These terrify me more than the crazies. At least you get the impression that the crazies are aware of the havoc they spread in their wake.
A-L man is utterly wrong, but there are cyclists who make it easy for the casual observer to agree with him.
There are also cyclists whose views are so far the other way from A-L man's that, like the implacably opposed madnesses of Stalinism and National Socialism, they seem to meet up again on the wrong side of the planet.