For the same reason you don't see word processors using a more powerful computer or cluster to render text for display as pixels. - It would be awfully inconve

For the same reason you don't see word processors using a more powerful computer or cluster to render text for display as pixels. - It would be awfully inconvenient to program - It would require buying, building or obtaining access to such a machine - It'd require investing some amount of time and/or money -- obviously completely unnecessarily -- because whatever desktop or laptop happened to be within reach is perfectly adequate to the task