It would be nice to see the days extend for the sake of those who might not have heard the Resumption in time. A week looks good enough for me rat he r than 3 days though.
The real question is how close are they to their target? is it already completed? if this questions are not answered in affirmative i would advise a longer extension period, of course early investors may not be happy but if they can find a way around incentiveing the early birds it will be cool as a form of compensation for their time.
On the site it says that they have hit their softcap so even if they are not selling well these last 3 days they can still go on. This pause is actually good for more potential investors, because then they will have more time to search information.