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I understand what it means but I don't think its wise to cut corners like that. Not sure if it is a time saving mechanism or just laziness. If someone doesn't want to spend 1 minute to set up his account that same person will probably not want to use 2FA, because it is too much work entering a 6 digit code.
Security should always be above simplicity.
To many people ignore the risk about simplicity on certain factors since they doesn't encounter those major hacks or getting compromised by certain attacks and it's really good to have good security on each account since we don't have anything to worry about if there'd a balance left and where out of the game or in platform itself, we should eliminate being lazy since no regret will come first so security is a must it only takes a while and will not take a lot of time.