Hope you're right on the first item, but the record so far is that the EC & the CC will between them find some ridiculous excuse to do the dirty on MFP. They don't need either logic or good legal argument ... Fingers crossed.
On the second item, just as MFP is the largest single party in the HofR but still in a minority, so in government the PTP will be the largest single party but in a minority both in the HofR and - I'm guessing - maybe in the Cabinet room too. Not sure how that latter point would pan out. In a Western nation the Cabinet generally works by consensus and not by actual vote, and - while the PM is greatly influential - he or she is not a dictator within the Party room or Cabinet. But in Thailand ...