Catch 22. For both points.
1.) You can give infantry more armor. But it will hinder their movements, especially considering the environment they are in.
2.) Armored vehicles can arguably get the jobs done faster. But don't forget Human Rights accusations are waiting around the corner, since OPM...
Proposed designs for Malaysian MRSS project. Dutch, French, or even Indonesian?? You decide! *hard inconspicous nudge*
The one from Indonesian PT PAL has 160 meters in length, 24 meters beam, able to carry up to 5 medium sized helos, and 20 MBTs.