First, mazel tov.
Please be aware that your financial situation and locale are likely very different than the vast majority of the CR readership.
Curbing wedding expenses in the in town yeshiva community often does eliminate jobs – a one man band means no drummer, bass, guitar, or horn players.
A cheaper photographer means fewer assistants.
Plastic gemach flowers means no florist.
Simpler cuisine means less profit for the caterer, and fewer workers.
You also didn’t answer my point that good health tips cuts income from undertaker’s.
Mainly, though, you missed the point I’m making, which is that you don’t advise people to spend money they likely don’t have because someone else will lose out. Unfortunately, because of societal pressure, people spend more money than they can afford on simchas.
B”H, a lot of progress has been made on the cost of the actual affair, with “takana packages” and the like a way for people to save. Jewelry, however, has not had the same success. Although in some communities, attempts have been made to keep costs down, overall it hasn’t worked.
Halevai that Joseph’s suggestion would become reality.