This is a favourite validation question of a certain SRG member - if you say you'll do nothing, you'll fail ! As usual, it's the "duty of care" discussion
Two things come to mind - i) if the aircraft is military, the pilot will be using different criteria and ii) if the pilot is skilled enough to be able to fly above the nominal glide path of the leading aircraft, he might be somewhat grumpy if you make him go-around !
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Too much month at the end of my money !