Yes, per this Danish study Omicron is actually not more infectious for immo-naive persons, at least in household setting:

https://twitter.com/ProfPHansen/status/1476308265764102144

https://www.medrxiv.org/content/10.1101/2021.12.27.21268278v1 

Transmission advantage mostly, if not completely, coming from immun escape + shorter generational interval.