A strength of SLT is that it may have temporal validity at explaining the changing gender roles within Western society as there’s a less clear cut distinction now compared to the 50s.
This is because views on gender roles are ever changing as shifts in social expectations and cultural norms are recognised.
Nowadays, new forms of acceptable gender behaviour are being reinforced.
There have been no change in biology so these changes are better explained by SLT and children observing their models in new environments.