We can't all have what we want. Cause and consequence. If we remove the congestion charge, London would be more congested, quite simply.
It's ridiculous to campaign for something without any forward thinking as to the things that will happen as a result of achieving what you are campaigning for.
There was a Mitchell and Webb sketch on Radio 4 once about drowning warnings...the theory being that if nobody ever drowns, far too much money is being spent on the warning sign. Whilst not saying that warning signs are a bad thing, resources are finite and should be allocated where they are needed, not based on individual's needs from an idealistic viewpoint.
In the same way, from an individual 'what's best for me, right now' viewpoint congestion charging is bad, as is £30 per day parking charges. But think what would happen if they were removed? If you could get into central London before night time, do you honestly think you'd get a parking space?
Same with bike parking. I'm against it, personally, on the basis that bikers should be encouraged and free parking is a big draw. In fact, I think that more, secure bike parking should be introduced. But, to say it doesn't cost anybody any money and that no service is being provided is simply short sighted and ignorant.
There's a parking bay. You either rent it out to cars, for money, or let bikes park in it for free. OK, if you were charging the bikes, maybe you should be a little clearer about exactly what space you are paying for by marking out individual bays. But, space is at a premium in central London. It costs a lot. To 'rent' it out for free is in some people's view, insanity. So they've decided to charge for it...not completely unreasonable. Short sighted and not a good idea; yes, I think so. But I can see where they're coming from.