John Gill Commentary Lamentations 2:6

"And he hath violently taken away his tabernacle, as if it were of a garden; he hath destroyed his place of assembly: Jehovah hath caused solemn assembly and sabbath to be forgotten in Zion, And hath despised in the indignation of his anger the king and the priest." — Lamentations 2:6 (ASV)

And he has violently taken away his tabernacle, as [if it were] of a garden The house of the sanctuary or temple, as the Targum; which was demolished at once with great force and violence, and as easily done as a tent or tabernacle is taken down; and no more account made of it than of a cottage or lodge in a vineyard or garden, set up while the fruit was gathering; either to shelter from the heat of the sun in the day, or to lodge in at night; see (Isaiah 1:8) ;

he has destroyed his places in the assembly The courts where the people used to assemble for worship in the temple; or the synagogues in Jerusalem, and other parts of the land:

the Lord has caused the solemn feasts and sabbaths to be forgotten in Zion there being neither places to keep them in, nor people to observe them:

and has despised, in the indignation of his anger, the king and the priest whose persons and offices were sacred, and ought to be treated by men with honour and respect; but, for the sins of both, the Lord despised them himself, and made them the object of his wrath and indignation, and suffered them to be despised and ill used by others, by the Chaldeans; Zedekiah had his children slain before his eyes, and then they were put out, and he was carried in chains to Babylon, and there detained a captive all his days; and Seraiah the chief priest, or, as the Targum here has it, the high priest, was put to death by the king of Babylon; though not only the persons of the king and priest are meant, but their offices also; the kingdom and priesthood ceased from being exercised for many years.