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The Catechism of the Catholic Church teaches that LGBT people are to be treated with “respect, compassion and sensitivity.”

Cardinal Tobin is deliberately mischaracterizing what the Catechism says:

2357 Homosexuality refers to relations between men or between women who experience an exclusive or predominant sexual attraction toward persons of the same sex. It has taken a great variety of forms through the centuries and in different cultures. Its psychological genesis remains largely unexplained. Basing itself on Sacred Scripture, which presents homosexual acts as acts of grave depravity, tradition has always declared that "homosexual acts are intrinsically disordered." They are contrary to the natural law. They close the sexual act to the gift of life. They do not proceed from a genuine affective and sexual complementarity. Under no circumstances can they be approved.
2358 The number of men and women who have deep-seated homosexual tendencies is not negligible. This inclination, which is objectively disordered, constitutes for most of them a trial. They must be accepted with respect, compassion, and sensitivity. Every sign of unjust discrimination in their regard should be avoided. These persons are called to fulfill God's will in their lives and, if they are Christians, to unite to the sacrifice of the Lord's Cross the difficulties they may encounter from their condition.
2359 Homosexual persons are called to chastity. By the virtues of self-mastery that teach them inner freedom, at times by the support of disinterested friendship, by prayer and sacramental grace, they can and should gradually and resolutely approach Christian perfection.

It is those who merely suffer from deep-seated homosexual tendencies that are to be treated with respect, compassion, and sensitivity; not those who deliberately and willfully choose to engage in homosexual acts, i.e. "LGTB people." Their actions under no circumstances can be approved. Rather, they are called to chastity. The cardinal is deliberately blurring the distinction between those who suffer from the temptation to sin and struggle against it, and those who willfully engage in it. The latter is a mortal sin and, if unrepented, leads to eternal damnation. Our love for them demands that we call them out of their sinful lifestyle; love for them, not hatred. This is the true teaching of the Catholic Church.