irule enabling and disabling via bash or cli or powershell

Keeping iRule_maintenance will not make any issue if you have valid condition written. However it will help during maintenance. But you can change the order of maintenance irule.

If you are looking to add & remove irule from VIP. Then refer devcentral article and customize based on requirement.

Link: https://devcentral.f5.com/s/question/0D51T00006i7Y7R/add-irule-via-tmsh-without-deleting-existing-irules-and-how-to-reorder

Thanks,