exactly—why is Newsletters still a thing if they're working on Notes now? shouldn't those two be one and the same? walled gardens planting their own flowers is

exactly—why is Newsletters still a thing if they're working on Notes now? shouldn't those two be one and the same? walled gardens planting their own flowers is unsurprising at this point, but when one goes from planting its own flowers to planting competing plants in the same space...