Main Craft Only On Recipe Page

I have read the FAQ and understand that adding too much to the crafting pages would be harmful. However, I don't think it's too much to ask to filter out synths that do not include the chosen craft as their main craft.

For example, when looking in Smithing at certain levels, I receive listings for Alchemy recipes at a much higher level used to make bullets, among other things. It would be helpful to filter these out, and it should not take any extra storage in the database to perform this operation. Each recipe already has its main craft and skill cap listed, and all it would take is simply limiting the listings to these values instead of any of the listed skills.

Another method would be to search on a recipe's highest synth level and checking the current craft against that. A little more processing, but it would appropriately list items such as the Bronze Bed (with equal skill in multiple crafts).

Thoughts?