@elkabeermg Using any dynamic routing protocol is the more scalable solution than using static routes, in a large dynamic environment. If it's just a static VTI with a couple of routes and unlikely to change, then statics would suffice.
You don't say...
@Ditter yes, as you have more a specific rule (as above) from inside to any that matches the traffic, then nothing should hit the default rule, unless there are other zones you do not have specific rules for. Traffic will still be discovered by match...
@Ditter the default action is applicable if the traffic does not match an explict rule in the ruleset.
In your scenario,traffic from outside to inside would match your explict rule and be denied. But traffic from inside to outside that did not match ...