But why should it be web-based? Why would something else web-based 'beat' this based on that fact alone?
Software distribution and/or installation, presumably.
But these factors mostly apply to the consumer and prosumer market segments (hence, the web triggered the 'consumerization of IT'), rather than to the professional market.
But otherwise I clearly agree with you. There's no reason why I would make it web-based in the first place.