I think his list is flat out illegal, in addition to being just plain bad.
Re-posting his list here:
company command squad- commander with plasma pistol/powerfist, vox, medic, 2x bodyguards, master of ordinance
8 ratlings
infantry platoon- commissar
- special weapons team- 2x plasma, 1x melta
- special weapons team- 2x sniper, 1x flamer
- heavy weapons teams- 3x lascannons
2x vet squads- 4+ armor upgrade, 2x chimeras
3x Leman Russ Executioners
3x Leman Russ Punishers
His "platoon" is illegal. It looks like he subbed vet squads for platoon infantry squads.
A platoon has a platoon command squad, at least two infantry squads and 0-2 SWSs and 0-5 HWSs.
His command squad is tooled up to be a close combat unit, which it isn't. He has 1 vox in the entire army when you need at least 2,and is
MoO require the command squad to stay still while the rest of the squad wants to close. I agree with you that he's a little too invested in his tanks, spendng 1110 out of 2000 points on tanks is probably a bad call.
It also sounds like a bit of a list mismatch. It looks like he built his list for taking on horde style armies (that or lots and lots off foot flogging terminators).