Upāsanā of that devatā can help us unlock the features of that aspect.
Vishnu - sustenance
Shiva - vilaya
Devi : māyā
Ganapati : anugraha
These are five primary functions of these five dèvatā.
Su+kha = favourable surrounding.
The chances of our attaining higher states of samadhi are high when we are in favourable conditions. That is about it.
Whether they are our co-travellers or they are special duty officers appointed by some higher force or they in themselves are highest force - is immaterial from our journey’s point of view