Oh Shreck, it is like the meraglim because of statements like yours, “I have nothing against our holy land BUT x, y z, and those nasty other Jews”. It is not that it is un-doable for most, it is that they don’t WANT to. As Moshe Rabenu accused the Dor Hamidbor “Velo avisem laalos, using a verb that is nearly always (two or three exceptions in all Tanach) denoting negativity.
For those allergic to three day issues, internalize that while chol is nice, kodesh is better, and more kodesh is more better. We are told to hold chag, for seven days, and indeed Sukkot is only seven days. Shmini is a seperate chag, with its own Yom Tov sheini. The sandwiching of a erev shabbos between a thursday yom tov and shabbos, is not all that easier than a three day affair, and about the three day Rosh Hashana, there are those in EY that still blame some French Olim Hadashim for that. (Chachmei Provence in the eleventh century liminyanam uprooted the local one day Rosh Hashana).