That's a good point. One could just argue that in time consumers will just favor contracts with companies that either don't have arbitration clauses or if they do the consumer doesn't care anyway about losing potential disputes. I think it's only really a problem when a company holds a (quasi) monopoly in a certain business. Like telcos do in the US in many states.
One could argue that. But markets are mainly good at solving problems that occur frequently and with short feedback loops. The sort of problems that lead to class action lawsuits are rarely either, let alone both.
You're assuming there will be a choice. A successful strategy tends to be copied. I doubt that any of the companies forcing you to agree to an arbitration clause have competitors that don't.
