"Lutheran presence in the Pride March Saint Peter's, Manhattan and the synod's Commission for Gay and Lesbian People invite you to march in this year's Pride March on Sunday, June 27 and add to the Lutheran presence. Our proclamation of welcome is already enhanced by the inclusion of a float. All participants are encouraged to wear a solid color t-shirt. For updates on gathering location and time, register your e-mail address with the Commission at firstname.lastname@example.org." (see here)
Participation in a Gay Pride march seems to me like an endorsement of a sinful lifestyle rather than a message of welcome to all sinners, to find forgiveness and life changing power in Jesus.
You will not find the ELCA leadership consulting homosexuals that they can leave that sinful lifestyle and find freedom in Christ Jesus, which is the loving thing to do. No, the ELCA participates in events that glorify sin and the ELCA encourages people to continue dying in their sins.
And true Christians want to be part of this?