Depends entirely on how low they go, and for how long.
On the flip side, we still have to care for aging populations. Some countries like S Korea, Japan, and Russia simply aren’t going to have the nursing staff or resources to care for a larger and larger population who is too old to work. At some point these countries will have to decide how much of their economy can be dedicated to senior care over commerce and industry. The next 20-30 years are going to see some massively overcrowded nursing home homes and Senior living facilities with overwhelmed staff stretched to the limits trying to keep them dignified end of life
On the flip side, here in the US, the older generation is reaponsible for the fuck ups of the oast that got us here, and they are responsible for the ongoing issues the younger generations are experiancing trying to get decent paying jobs.