Layer is meant to be the easiest option for laying hens. If time/convenience is a concern, or you aren't concerned with keeping birds around as long as possible (applies more to roosters but could apply to some hens as well, if they can't use up all that calcium), then there's nothing wrong with using it. Cost-wise it may be cheaper than other options, but the trade-off is you can't micromanage the calcium level, and it's usually lower in protein than other feed options.
All that said, the way I do things is I feed both dry layer pellets and fermented grower mash (assuming the flock is all of laying age) and I modify the amounts I feed based on the season. So in winter I feed a lot more grower, like 75% to 25% layer - that raises protein and lowers calcium. In summer it's more like 60% grower to 40% layer. I can't say I recommend doing it this way, as it's more micromanagement, but it is an option. My birds are pets as well as layers, and I have the time to do this, and space to store the feed, etc.
(Hopefully that isn't confusing - the point is, there's no one "right" way to do things, and everyone has different feed philosophies.)