no matter for their (sometimes) high fees.
Their wallet is free. You can choose what transaction fee to use.
Blockchain wallet takes 40% of all wallets and seems like this percent will grow even higher.
Very dubious statistic. It's impossible to tell exactly what percentage of wallets they take up.
Anyway, the amount of users in Bitcoin
wallets is irrelevant. What matters is the amount of people who use Bitcoin merchants and arguably the number of people who hold their coins safely in cold storage or other longer-term methods.